$124+ Cheap flights from Pennsylvania to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Pennsylvania to IdahoExplore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:27 am -
1 stop8h 02m
Fri 8/285:19 pm -
1 stop10h 41m
Deal found 7/31![American Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:00 am -
1 stop8h 49m
Sat 8/295:19 pm -
1 stop10h 41m
Deal found 8/1![American Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:59 am -
2 stops28h 30m
Fri 9/112:50 pm -
1 stop13h 30m
Deal found 7/31![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
1 stop9h 55m
Mon 9/212:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
1 stop9h 55m
Sun 9/202:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Thu 9/172:50 pm -
1 stop13h 30m
Deal found 7/30![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Fri 9/182:50 pm -
1 stop13h 30m
Deal found 7/30![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop9h 55m
Mon 9/212:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$287
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm -
1 stop9h 03m
Mon 8/316:45 pm -
1 stop9h 33m
Deal found 7/30![Delta logo]()
$293
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Wed 9/166:23 am -
1 stop8h 31m
Deal found 7/30![Multiple Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:03 am -
1 stop8h 27m
Mon 9/145:52 pm -
1 stop9h 48m
Deal found 7/30![Alaska Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:27 am -
1 stop7h 35m
Sat 9/512:12 pm -
1 stop8h 48m
Deal found 7/30![American Airlines logo]()
$297
Best flights from Pennsylvania to IdahoDiscover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am -
1 stop10h 30m
Thu 9/175:52 pm -
1 stop9h 48m
Deal found 7/30![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:00 am -
1 stop10h 33m
Mon 11/233:00 pm -
1 stop6h 20m
Deal found 7/31![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:05 am -
1 stop7h 23m
Tue 9/17:15 am -
1 stop8h 39m
Deal found 7/31![United Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:14 pm -
1 stop15h 53m
Sat 10/33:41 pm -
1 stop6h 18m
Deal found 7/30![American Airlines logo]()
$547
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am -
1 stop9h 42m
Fri 9/112:11 pm -
1 stop8h 30m
Deal found 8/2![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:57 pm -
1 stop17h 59m
Mon 9/284:20 pm -
1 stop11h 20m
Deal found 7/31![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
1 stop9h 42m
Sun 9/2011:10 pm -
1 stop7h 59m
Deal found 8/3![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:55 am -
1 stop8h 19m
Fri 10/91:32 pm -
1 stop7h 53m
Deal found 8/3![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:23 am -
1 stop7h 12m
Sun 11/18:25 am -
1 stop9h 38m
Deal found 7/31![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:00 pm -
1 stop9h 51m
Wed 11/187:54 pm -
1 stop8h 04m
Deal found 8/1![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:10 am -
1 stop10h 08m
Sun 8/3011:10 pm -
1 stop8h 10m
Deal found 8/4![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/205:05 pm -
1 stop9h 06m
Thu 1/216:00 am -
1 stop8h 13m
Deal found 8/3![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am -
1 stop7h 14m
Fri 8/282:53 pm -
1 stop6h 28m
Deal found 8/3![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:55 am -
1 stop8h 19m
Mon 10/54:18 pm -
1 stop12h 41m
Deal found 8/3![Alaska Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:34 am -
2 stops12h 06m
Sat 9/128:00 am -
2 stops11h 27m
Deal found 8/1![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:30 am -
1 stop7h 03m
Sun 11/2211:35 pm -
1 stop7h 36m
Deal found 8/2![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:55 am -
1 stop9h 00m
Fri 9/114:27 pm -
1 stop11h 34m
Deal found 8/3![Alaska Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
1 stop8h 43m
Tue 11/31:21 pm -
1 stop8h 38m
Deal found 7/30![American Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:30 am -
2 stops13h 10m
Fri 9/118:00 am -
2 stops11h 27m
Deal found 8/1![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:45 pm -
1 stop7h 14m
Tue 9/226:44 pm -
1 stop9h 16m
Deal found 8/1![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am -
1 stop8h 31m
Wed 9/21:27 pm -
1 stop7h 32m
Deal found 8/3![Alaska Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:30 am -
2 stops12h 10m
Wed 9/29:28 am -
1 stop9h 27m
Deal found 8/2![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am -
1 stop9h 44m
Sun 9/136:44 pm -
1 stop9h 42m
Deal found 7/31![Delta logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:38 pm -
1 stop8h 19m
Tue 2/27:00 am -
1 stop9h 01m
Deal found 8/2![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 pm -
Nonstop4h 53m
Fri 9/188:00 am -
1 stop10h 48m
Deal found 7/30![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am -
1 stop8h 12m
Sat 9/52:05 pm -
1 stop6h 16m
Deal found 7/31![Delta logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:55 am -
1 stop9h 20m
Thu 9/108:25 pm -
1 stop7h 36m
Deal found 8/2![Alaska Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:27 pm -
Nonstop4h 53m
Tue 9/157:00 am -
1 stop9h 30m
Deal found 7/31![United Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:15 am -
1 stop9h 27m
Mon 8/2411:10 pm -
1 stop8h 14m
Deal found 8/3![Delta logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:03 am -
1 stop7h 42m
Tue 9/2212:17 pm -
1 stop8h 42m
Deal found 8/3![Alaska Airlines logo]()
$367
Last-minute flights from Pennsylvania to IdahoDiscover last-minute flight deals from Pennsylvania to Idaho. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Idaho. Data last updated August 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:00 am -
1 stop8h 49m
Sat 8/295:19 pm -
1 stop10h 41m
Deal found 8/1![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm -
1 stop9h 03m
Mon 8/316:45 pm -
1 stop9h 33m
Deal found 7/30![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:27 am -
1 stop8h 02m
Fri 8/285:19 pm -
1 stop10h 41m
Deal found 7/31![American Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:59 am -
2 stops28h 30m
Fri 9/112:50 pm -
1 stop13h 30m
Deal found 7/31![Frontier logo]()
$267
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:27 am -
1 stop7h 35m
Sat 9/512:12 pm -
1 stop8h 48m
Deal found 7/30![American Airlines logo]()
$297
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Thu 9/172:50 pm -
1 stop13h 30m
Deal found 7/30![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Fri 9/182:50 pm -
1 stop13h 30m
Deal found 7/30![Frontier logo]()
$277
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop9h 55m
Wed 9/166:23 am -
1 stop8h 31m
Deal found 7/30![Multiple Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:03 am -
1 stop8h 27m
Mon 9/145:52 pm -
1 stop9h 48m
Deal found 7/30![Alaska Airlines logo]()
$297
This Frontier deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
1 stop9h 55m
Mon 9/212:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
1 stop9h 55m
Mon 9/212:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 am -
1 stop9h 55m
Sun 9/202:50 pm -
1 stop13h 30m
Deal found 8/2![Frontier logo]()
$273
One-way flights from Pennsylvania to IdahoSearch for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:50 pm -
1 stop9h 03m
Deal found 7/30![Delta logo]()
$124
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:40 pm -
1 stop9h 13m
Deal found 8/4![United Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:50 am -
1 stop9h 39m
Deal found 7/30![American Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:40 pm -
1 stop9h 19m
Deal found 7/31![Delta logo]()
$154
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:05 am -
1 stop7h 23m
Deal found 8/1![United Airlines logo]()
$156
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:27 pm -
1 stop15h 29m
Deal found 7/30![Alaska Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am -
1 stop9h 57m
Deal found 8/2![American Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:38 pm -
1 stop8h 59m
Deal found 8/3![United Airlines logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:03 am -
1 stop8h 44m
Deal found 8/1![Alaska Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:10 am -
1 stop10h 10m
Deal found 7/30![Delta logo]()
$170
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:09 am -
1 stop8h 45m
Deal found 7/31![American Airlines logo]()
$170
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am -
1 stop9h 49m
Deal found 8/3![Delta logo]()
$174
Find flight deals from Pennsylvania to Idaho
Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (American Airlines) |
One-way from | $124 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $416 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Tue 9/8
7:00 am-3:30 pm
1 stop10h 30m
Boise Air Term. Gowen Fld
Thu 9/17
5:52 pm-5:40 am
1 stop9h 48m
$303
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Sat 11/21
7:00 am-3:33 pm
1 stop10h 33m
Boise Air Term. Gowen Fld
Mon 11/23
3:00 pm-11:20 pm
1 stop6h 20m
$303
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Wed 8/26
6:00 am-1:42 pm
1 stop9h 42m
Boise Air Term. Gowen Fld
Fri 9/11
2:11 pm-12:41 am
1 stop8h 30m
$303
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Thu 9/24
5:57 pm-9:56 am
1 stop17h 59m
Boise Air Term. Gowen Fld
Mon 9/28
4:20 pm-5:40 am
1 stop11h 20m
$303
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Sun 9/6
6:00 am-1:42 pm
1 stop9h 42m
Boise Air Term. Gowen Fld
Sun 9/20
11:10 pm-9:09 am
1 stop7h 59m
$327
NewarkBoise
EWR - BOI
EWRBOI
Newark
Tue 9/29
6:55 am-1:14 pm
1 stop8h 19m
Boise Air Term. Gowen Fld
Fri 10/9
1:32 pm-11:25 pm
1 stop7h 53m
$327
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Wed 10/28
7:23 am-12:35 pm
1 stop7h 12m
Boise Air Term. Gowen Fld
Sun 11/1
8:25 am-8:03 pm
1 stop9h 38m
$327
NewarkBoise
EWR - BOI
EWRBOI
Newark
Sat 11/14
4:00 pm-11:51 pm
1 stop9h 51m
Boise Air Term. Gowen Fld
Wed 11/18
7:54 pm-5:58 am
1 stop8h 04m
$327
Washington, D.C.Boise
IAD - BOI
IADBOI
Washington, D.C. Dulles Intl
Thu 8/27
7:10 am-3:18 pm
1 stop10h 08m
Boise Air Term. Gowen Fld
Sun 8/30
11:10 pm-9:20 am
1 stop8h 10m
$327
NewarkBoise
EWR - BOI
EWRBOI
Newark
Wed 1/20
5:05 pm-12:11 am
1 stop9h 06m
Boise Air Term. Gowen Fld
Thu 1/21
6:00 am-4:13 pm
1 stop8h 13m
$327
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania with our price prediction graph.
JFK-BOI
IAD-BOI
EWR-BOI
PHL-JAC
IAD-GEG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Idaho
USPA-USID
JFK-BOI
IAD-BOI
EWR-BOI
PHL-JAC
What is the cheapest month to book a flight from Pennsylvania to Idaho?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $409). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Pennsylvania to Idaho?
Airfare is below average for this route at the moment.
Pennsylvania to Idaho flights typically cost between $300 and $556 in August.The cheapest round-trip price found within the last 5 days was $234 on Frontier (Aug 22-Aug 30).
How far ahead should I book a flight from Pennsylvania to Idaho?
The price you pay for your flight from Pennsylvania to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pennsylvania to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to Idaho by cabin class
Find flights from Pennsylvania to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Idaho flights
Browse other Pennsylvania and Idaho flight options. Last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Pennsylvania after your stay in Idaho
Pennsylvania to Idaho flights
Consider these flights traveling from Pennsylvania to Idaho.
Top 4 airlines flying from Pennsylvania to Idaho
Discover the top 4 airlines that operate flights from Pennsylvania to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$544 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$559 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$371 | Average$540 | FlexibilityNo cancel fee | On-time63% |